M (
steel
)
=
1354.50 g
M (
hanger
)
=
17.00 g
Height (
h
)
=
90.00 cm
R
=
6.32 cm
r
=
1.23 cm
V1
mass used
(
g
)
m (
total
) (g)
t
1
(s)
t
2
(
s
)
t
3
(
s
)
t
4
(
s
)
t
5
(
s
)
t
6
(
s
)
t` (
s
)
0
17
22.56
23.12
23.09
23.12
23.12
23.91
23.15
5
22
17.00
16.97
17.03
16.91
16.89
16.78
16.93
10
27
13.97
13.94
13.91
13.56
13.90
13.75
13.84
15
32
11.44
11.84
11.66
12.01
11.72
11.83
11.75
20
37
10.91
10.81
10.76
10.94
10.81
10.91
10.86
VI 1
2 * h
t ^ 2
=
0.335773 cm / s^2
2 * h
t ^ 2
=
0.627998 cm / s^2
2 * h
t ^ 2
=
0.93995 cm / s^2
From this data, I calculated the acceleration of the hanger for each occasion
We first measured the weights of the disk and the hanger separately. Then we found the
radii of the objects been used
We placed a given mass on the hanger, and then released it and let the hanger fall under
gravity. We measure the time it took to hit the ground. For the given mass we took six
measurements, and found the average time. We then repeated the experiment for 5
different masses
=
=
=
Acceleration "
a
"
with 0 mass used
Acceleration "
a
"
with 5g mass used
Acceleration "
a
"
with 10g mass used
EXPERIMENT M11
ROTATIONAL DYNAMICS
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View Full Document2 * h
t ^ 2
=
1.303757 cm / s^2
2 * h
t ^ 2
=
1.527142 cm / s^2
The graph is expected to pass through the origin, but in this case it does not. A number of
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 Spring '08
 Staff
 Physics, Acceleration, Moment Of Inertia, hanger

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